Audio Engineering Expert Witnesses
What is an audio engineering expert witness?
Audio engineering expert witness candidates typically have backgrounds in acoustics, computer science, forensic engineering, broadcast engineering, acoustical engineering, and/or electrical engineering. Audio engineering expert witness candidates are knowledgeable in a variety of audio technologies, such as circuits, audio software programs, audio transfer mechanisms, and digital signal processing.
What types of cases require an audio engineering expert witness?
Often, matters requiring audio engineering litigation support services involve intellectual property, such as patent infringement litigation or trade secret disputes may require reverse engineering of components to prove (or disprove) intellectual property infringement or theft. Audio experts are also called on to assist law enforcement in criminal cases.
Audio engineering expert witness case examples
Representative legal matters have involved:
- audio enhancement of video recordings,
- cell phone video recording authentication,
- Advanced Encryption Standards (AES),
- voice identification case in New Jersey,
- forensic analysis of recorded evidence, and
- audio recordings of an FBI situation in New York.
What litigation support work might an audio engineering expert witness be expected to perform?
Litigation support by audio engineering expert witnesses could include forensic engineering, writing expert reports, providing expert opinions and depositions, and courtroom testimony. In a high-profile case, or litigation involving a significant financial stake, a law firm may request a qualified expert with prior expert witness testimony experience.
Cahn Litigation Services has the experience required to turn a search for an audio engineering expert witness around quickly, providing the right balance of expertise and testimony experience.
Related Disciplines
Audio Engineering Expert Witness - Representative Bios
Please Note: All Cahn Litigation expert witness searches are customized to attorneys' precise specifications and preferences. Attorneys are encouraged to discuss search parameters with a Cahn search specialist.
The below expert witness bios represent a small fraction of those Audio Engineering experts known by Cahn Litigation Services. These bios are provided to give lawyers a sense of the Audio Engineering landscape.
Expert Witness #212559
This expert received BS and MS degrees in Electrical and Computer Engineering, and a Ph.D. degree in Electrical Engineering. This expert was an R&D Engineer at a technology company where this expert worked on the development of a packet switched satellite modem and several sequential decoders for the decoding of convolutional codes. This expert joined the faculty of the School of Electrical Engineering at a prestigious university as an Assistant Professor; this expert was appointed to Associate Professor, with tenure, and was a Full Professor. This expert taught courses in digital communications, error control codes, information theory, detection and estimation theory, digital systems and audio engineering. This expert's current research interests include: information, coding and communication theory, algorithms for digital communications, coding for computer memory systems, signal processing and error-control in optical and magnetic recording systems, audio and video signal compression, algebraic geometric coding theory and symbolic and numerical computer methods. This expert has been an active member of the consulting community. This expert has worked on problems of digital HDTV and cable TV transmission, DSP and hardware based trellis coded modems, modulation and error-control for optical LANs, and modulation and coding for recording systems. This expert is the inventor on several patents. This expert is the founder and chief scientist for a digital communications company. This expert was the CEO and Principal Scientist a fabless semiconductor company specializing in physical-layer communications with a particular expertise in forward error correction (FEC). The technology is vital in: high-speed wireless networking (IEEE 802.11/WiFi), cable modem, digital-TV, digital subscriber line and satellite/terrestrial wireless. This expert has received an Award from the National Science Foundation (NSF) and is an active member of IEEE. This expert has extensive litigation experience both in district court and in IPR.
Start Audio Engineering Expert SearchExpert Witness #226228
This expert holds a Ph D in Electrical Engineering and brings to the table many years of academic and professional experience in speech and audio signal processing, speech and audio signal compression technology, standards for speech and audio compression, and software implementation on real-time platforms and in client/server architectures. This expert is the founder of two (2) related technologies research laboratories and holds more than 20 patents, all dealing with the coding, compression or retrieval of audio digital signals or data. As the Principal of two highly successful media technology consultancies, this expert specializes in changing the way people create, listen, and share audio content on and over the Internet. This expert's technology platforms have provided a virtual studio and venue for musicians, jammers, and fans alike to participate in the music making process, in which unique musical content is shared with others in real-time. This expert is responsible for designing, developing, and testing all aspects of a client/server architecture for real-time audio streaming, recording, mixing and playback. Additionally, this expert has developed and is selling products for subjective audio evaluation and for multi-channel audio mixing. In industry, this expert worked with a Fortune 100 Company's digital music delivery system initiative, where this expert was responsible for transferring the technology to the business of secure sales of music over the Internet. This involved the legal and business aspects of patent licensing and the engineering aspects of bitstream packetization and encryption in a system using compressed rates of 16 kbps for music preview and 96 kbps for music sales. This expert also developed and implemented a client/server music player using audio technology. This used an OpenGL graphical user interface and UNIX socket-based client/server communication and implemented a streaming client/server architecture for audio and image data that communicated via ISDN. In addition, this expert has done patent expert witness work, patent litigation support, patent valuation, engineering consulting, and participated in standardization activities.
Start Audio Engineering Expert SearchExpert Witness #232633
This expert holds a PhD in Electrical Engineering and serves as President and CTO of a highly successful consultancy specializing in digital electronic design. This expert has worked with wireless technologies for many years, including Wi-Fi, CDMA, and Bluetooth. This expert's Bluetooth experience relates to writing firmware to implement the Bluetooth link between a wearable device (a ladies' ring) and a mobile phone. This expert also has experience with streaming audio and video technologies, including push-to-talk audio over IP and streaming H264 video. This expert has been using/developing/debugging Internet technologies for many years. This expert has prior litigation experience and has been deposed, but has not yet had the pleasure of testifying in court.
Start Audio Engineering Expert SearchExpert Witness #234887
This expert is a consultant and patent owner with many years of experience in developing and supporting the development and commercial exploitation of new technologies in the areas including audio and video encoding, decoding, recording, storage, transmission, and presentation, consumer electronics, digital television, broadcast, mobile, and fiber telecommunications, and computer and storage networks. This expert is specifically experienced in speech processing technologies and details of recognition and insertion of service signals in video programs.
This expert has supported numerous licensing negotiations and reexaminations/IPRs as well as over 50 patent-related District Court and ITC cases, in consultative preparation of cases, characterization of accused products (by testing, reverse engineering, source code review, etc.), preparation of declarations and reports, and, as needed, testifying.
This expert is a Member of the Audio Engineering Society and an Observer Member of the Advanced Television Systems Committee (ATSC).
Summary of Selected Professional Experience
- Development of techniques for bandwidth reduction encoding and decoding of audio and video content (patent granted on video technique)- Consulted on interactive multimedia systems with automated insretion of text over bvideo- Consulted on adaptive variable rate coding for speech and general audio and on automatic audio content identificationSummary of Selected Related Case Experience
- Patent litigation - issues included recognizing and tagging media content- Patent litigation - issues included audio and video data encoding, decoding and bit-rate reduction in digital television receivers- Issues included audio encoding and decoding, and recognition and insertion of service signals for digital television- Patent litigation - audio encoding and decoding, and content-descriptive metadata generation, extraction, analysis and insertion in digital television
Start Audio Engineering Expert SearchExpert Witness #248343
This expert has designed and analyzed the microelectronics and software for systems managing media remotely and performing music downloads for many years and is an award winning inventor for innovative digital audio engineering design and valuable contributions to the advancement of audio engineering. This expert has been involved with the technologies behind the remotely-managed media and uploaded and downloaded music files. This expert has designed cable TV multiprocessing systems for managing media remotely and performing music downloads. Most of the microelectronics circuits this expert has designed at the transistor/resistor/capacitor and chip level involved amplifying signals, controlling impedance and output speed characteristics, and included the design of timing circuits, level converters and latching digital signals. While on the Editorial Board of a renowned publication for electronics engineers, this expert analyzed the internal design of memory chips (including memory bit cell arrays) and state-of-the-art integrated circuits for processing and storing media. This expert has worked on the engineering design of audio signal processors and memory systems, including emitter-coupled design with controlled impedance, as well as user interface design for content selection and control. Further, this expert has designed user interfaces for media content selection and control. This expert also has designed and developed processors and memory systems as well as high fidelity digital-to-audio and audio-to-digital conversion circuitry, included timing circuits, impedance control, level control, signal amplification, latches and memory design. This expert has worked on the engineering design of a multiprocessor media server. This expert has analyzed hundreds of patents and has researched, reverse engineered and analyzed microelectronics and software.
Start Audio Engineering Expert SearchExpert Witness #211832
As President of an audio/video engineering consultancy, this expert brings to the table many years of engineering experience in audio/video systems and the encoding, decoding, and processing of audio/video and ancillary data and its manipulation. Specializing in encrypted data transmitted over the vertical blanking interval of analog (and later digital-sourced) video images, this expert has chaired a standards committee which maintains standards relating to television data systems. Further, this expert has developed technological expertise as data has moved from analog video VBI into (generally) an audio watermark. This expert possesses a wide ranging digital television-focused technical foundation, including engineering work on audio/video silicon products, real-time operating system development, set-top box development, audio/video compression systems development and architecture and internet technologies. This expert has reversed engineered code and through expert witness work, has become patent savvy. This expert has published papers, is a frequent presenter at industry conferences, and has worked on numerous standards committees. This expert has provided litigation support in a number of high profile patent litigations matters. This expert's experience as an expert witness in litigation includes report preparation, as well as deposition and trial testimony, for patent infringement matters.
Start Audio Engineering Expert SearchExpert Witness #215714
This expert has many years of academic and engineering experience and has experience as an expert witness in computer science, software development, network streaming media, embedded systems, enterprise software systems, digital signal processing for audio and music technology. This expert has sustained a long and successful career at the cutting edge of software development and system design using multiprocessor/multi-core architectures for signal processing and control. This expert has been a Software Architect for multiple projects at various companies, and has consulted for a long list of technology companies. This expert provides computer technology consulting, software engineering, and litigation support to high-technology companies, internationally.
This expert has testified before the International Trade Commission, and before a jury in Federal Court, has testified at Markman claim construction hearings and Markman tutorials in Federal Court, been deposed over 10 times, and has authored more than 50 reports and declarations. Case types include patent, trademark infringement, copyright, trade secret misappropriation, and inequitable conduct. This expert has worked on complex international patent cases, and has provided expertise on such diverse areas as streaming media systems, handheld networked Personal Information Management (PIM) devices, enterprise email systems, software for factory automation, interactive databases, enterprise software for management of media libraries, MPEG audio compression, on-line gaming, composition systems, digital camera hardware and software, digital audio hardware and software technologies, compilers, file systems, operating systems, and more.
This expert has worked for companies that interfaced between portable and nonportable devices for sharing information and resources. Additionally, this expert has testified on matters regarding the protocol for having a portable device direct music to be transmitted to a sound system wirelessly.
This expert has published widely in various juried journals, and has authored three books including a two-volume text on the mathematics of music, and a collection of articles on artificial neural networks and music research. This expert taught graduate and undergraduate courses in computer science and digital audio, conducted computer systems research for digital audio, designed and built several networked digital media computer laboratories.
Start Audio Engineering Expert SearchExpert Witness #218672
This expert holds a Ph.D. in electrical engineering and computer science and is a Professor in the School of Electrical and Computer Engineering at a technology institute. The creator of a start-up which develops image and video processing software for wireless and IP networking, this expert has been active in the areas of voice and audio processing for many years. This expert is a Fellow of the IEEE, and has received awards for contributions to electrical engineering. This expert has reviewed and analyzed software and hardware designs through source code analysis for pre/post-litigation phases. This expert leads several large technology research programs in the areas of multimedia, networking, telecommunications and wireless technologies and has authored or edited several books. This expert is a frequent consultant to the industry. This expert has served as an expert witness and consultant in several leading intellectual property and patent litigation cases (both ITC 337 proceedings and Federal Circuit), and has been engaged as a litigation expert of graphics processing systems and components. This expert has testified at ten trials and was deposed over forty times.
Start Audio Engineering Expert SearchExpert Witness #231272
This expert is the Founder and Principal of an internationally renown consulting firm specializing in telecommunications, networking, computing and multimedia technologies including digital video and audio standards. The firm provides business management, product management and engineering management services, market intelligence consulting, licensing expertise and litigation support including expert witness services. The company provides its clients with a wide variety of services so they can keep pace with the breakneck changes in their industries. Areas of expertise include:
• Broadband Communications
• Digital Switching
• Internet Infrastructure
• Network Management
• Networking
• Computer Architecture
• Telecommunications & Wireless Product Marketing
• Wireless Technologies
• Multimedia Technologies including MPEG
• VoIP and Related Technologies
• Virtualization and Thin Client Technologies
Early on, much of this expert’s work involved video processing technologies including MPEG-2, MPEG-4 and MPEG-7. This expert was also responsible for IP based technologies, including applications of SIP and RTP. Some of these technologies which relied on TCP/IP or UDP/IP were spun out to a start-up that pursued commercialization of the SIP and RTP technologies. This expert has been involved in numerous cases involving use of the public and private Internets to transmit data. Some providers used the public Internet while others used different technologies including their own IP networks to deliver content (e.g., audio, video, etc.) or peering agreements with Internet service providers, especially when end-to-end quality-of-service (QoS) had to be managed at certain levels.
Start Audio Engineering Expert SearchExpert Witness #214804
This audio signal processing expert holds a Ph.D. and has over 50 years of experience in signal processing, with a focus on audiovisual communications. This expert began a research career in an acoustics research department at a prominent industrial laboratory, then became the founding director of several research groups focused on signal processing, advanced audio technology, and multimedia communications.
For personal research and leadership in the field, this expert has received numerous major awards from prominent professional engineering and innovation organizations. As one example of impact, research in this expert's department led to the concept and implementation of the MP3 audio codec for low-bit-rate audio. In an academic career, this expert created a graduate-level course in multimedia communications with an extensive section on speech and audio technology and taught it for many years at prestigious universities.
In recent work, this expert has provided expert opinions on the current generation of audio communications systems, such as microphone and speaker arrays and frequency-space-and-context analyses that enable speech enhancement and voice commands in noisy wireless environments.
This expert is an experienced expert witness and litigation consultant.
Start Audio Engineering Expert SearchExpert Witness #239333
This audio/video coding expert is a professor at a leading university with expertise in video and audio coding technologies, including extensive work involving the H.264/AVC standard, as well as multiplexing and demultiplexing of video and audio.
Current research areas include information theory, signal compression, source-channel coding, video/audio coding and processing, pattern recognition, and nonconvex optimization. This expert holds several patents and has litigation experience related to audio and video coding. This expert is active in a prominent professional engineering association, including journal editing, with specialization in speech, image, video, and signal processing.
Start Audio Engineering Expert SearchExpert Witness #275483
This audio/video coding expert is an experienced software developer for media-centric applications, especially those related to sound and video streaming and playback.
Beginning with early computer-music work on mainframes, this expert has been involved in generations of audio and video capture, processing, and playback technology, including multimedia synchronization experiments and pre-web distributed dynamic media. This expert has worked on operating systems down to very low levels and is familiar with the details of audio/video synchronization.
This expert has experience with audio-centric applications such as audio/video recording and editing tools running on desktop and mobile platforms. This expert served for about a decade as editor of a prominent academic journal focused on computer music and taught graduate courses in multimedia engineering at a well-regarded California university for over a decade.
This expert provides IP consulting support involving application analysis, source code discovery, claim construction, report writing, depositions, and court testimony. This expert has experience as an expert witness and litigation consultant, including depositions, in-court testimony, and IPR proceedings.
Start Audio Engineering Expert SearchExpert Witness #277557
This audio/headphone expert has over 25 years of experience working for a high-end wearable audio device company, with experience in the design and engineering of headphones, earbuds, and wearable systems in the consumer audio space. This expert has extensive experience in what a great audio device should sound like to the user and what it takes to make it that way, including understanding each component and its contribution to the system down to very small dimensional tolerances and how those differences affect performance.
This expert is familiar with loudspeakers and microphones, both in component design and in their contributions to audio systems, as well as the increasingly important role of DSP. This expert is a named inventor on over 5 patents related to headphones and audio devices. This expert has knowledge of a major consumer technology company's technical capabilities and market position, and has experience using and analyzing earbuds.
This expert has experience as an expert witness supporting litigation involving over 5 patents related to earbuds with complex audio systems and has provided a number of depositions.
Start Audio Engineering Expert SearchExpert Witness #279711
This audio enhancement/authentication expert holds an M.Sc. in Media Forensics and has worked in professional digital audio for over 15 years. This expert has extensive experience with audio enhancement and restoration, particularly work aimed at increasing voice intelligibility. This expert serves on several standards boards and committees focused on drafting best-practice documents for audio processing, including digital evidence and digital media audio task forces, and has chaired a major international audio forensics conference for a prominent audio engineering society.
This expert has extensive witness experience, including matters involving enhancement and transcription of police body-camera footage and surveillance camera streams, as well as drafting opinions on the methods, techniques, and overall findings presented by other witnesses.
Start Audio Engineering Expert SearchExpert Witness #280070
This acoustical engineering expert holds a Ph.D. in Computer Audio from a prestigious California university, with emphases in psychoacoustics, digital signal processing, and acoustic engineering.
Through work as a research scientist at a prominent federal research center, this expert has extensive applied experience in speech enhancement, signal analysis, and auditory perception. This includes over 1,000 forensic cases and decades of research in speech intelligibility, spatial hearing, and communication systems. This expert also has strong understanding of user-centered audio features through work in human factors, auditory performance, and perceptual optimization. This expert's experience in speech intelligibility supports work involving sound enhancement for hearing-impaired listeners.
This expert is an experienced expert witness and litigation consultant.
Start Audio Engineering Expert SearchExpert Witness #280158
This perceptual audio codecs expert has been a professor for more than 45 years, teaching digital signal processing, speech processing, auditory perception, acoustics, and related topics. This expert's research has centered on robust automatic speech recognition and related technologies. This expert is a Fellow of prominent professional societies in electrical engineering, acoustics, and speech communication, and served for a number of years as a distinguished lecturer for a leading speech communication association. This expert has worked extensively on a wide variety of problems related to speech processing, as well as a smaller variety of problems related to audio processing.
This expert has advised attorneys on patent litigation issues for over 20 years, has been deposed numerous times, and has testified before the U.S. Patent and Trademark Office and in federal court in the Eastern District of Texas.
Start Audio Engineering Expert SearchExpert Witness #282644
This product design expert has extensive knowledge of both product engineering and patent matters, with a background in electrical, mechanical, optical, acoustic, and software engineering. This expert has been involved in product design and development for over 35 years. The majority of that work has focused on consumer products, including audio products, personal care products, personal well-being products, home appliances, kitchen accessories, car accessories, sunglasses, home goods, wearable items, and medical devices.
This expert has worked with overseas OEM and ODM suppliers for over 30 years, including substantial work with design teams and manufacturing teams on factory floors. This expert has also been involved in the development and launch of compact impact massagers and has conducted freedom-to-operate patent search work relating to impact massagers.
Start Audio Engineering Expert SearchExpert Witness #301095
This code review/natural language processing expert profile includes two Bay-area experts with experience supporting preliminary code review processes and expertise in technologies related to patent litigation.
This expert is experienced in targeted advertising through work with a digital advertising company that later became part of a larger data-marketing division.
This expert has a background as a former NLP (Natural Language Processing) teaching assistant at a prestigious university's school of information, has published research through a prominent engineering professional association on deepfake speech detection, and has worked on classical and neural ASR models. This expert's background bridges speech recognition, NLP, and applied audio signal processing for forensic and commercial applications.
Both experts have experience as expert witnesses and litigation consultants.
Start Audio Engineering Expert Search